[commons-rng] 02/02: InternalUtilsTest: Test for NegativeArraySizeException

[aherbert]

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commit fccc73e3eb62f57cb0f03b1e52d7c7499aa4112a
Author: Alex Herbert <aherb...@apache.org>
AuthorDate: Sun Mar 3 23:50:04 2019 +0000

    InternalUtilsTest: Test for NegativeArraySizeException
---
 .../apache/commons/rng/sampling/distribution/InternalUtilsTest.java  | 5 +++++
 1 file changed, 5 insertions(+)

diff --git 
a/commons-rng-sampling/src/test/java/org/apache/commons/rng/sampling/distribution/InternalUtilsTest.java
 
b/commons-rng-sampling/src/test/java/org/apache/commons/rng/sampling/distribution/InternalUtilsTest.java
index d1a3b6a..86f41de 100644
--- 
a/commons-rng-sampling/src/test/java/org/apache/commons/rng/sampling/distribution/InternalUtilsTest.java
+++ 
b/commons-rng-sampling/src/test/java/org/apache/commons/rng/sampling/distribution/InternalUtilsTest.java
@@ -85,4 +85,9 @@ public class InternalUtilsTest {
     public void testLogFactorialThrowsWhenNegative() {
         FactorialLog.create().value(-1);
     }
+
+    @Test(expected = NegativeArraySizeException.class)
+    public void testLogFactorialWithCacheThrowsWhenNegative() {
+        FactorialLog.create().withCache(-1);
+    }
 }